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Sign up (free) at val.town\n// 2. Create a new val -> HTTP val\n// 3. Paste this file's contents in, save\n// 4. In the val's settings, add two environment variables:\n// INQA_TEMPLATE_URL -> a direct-download link to the empty Erstauskunft PDF\n// (upload it to Google Drive, \"Anyone with the link\", then use\n// a direct link like https://drive.google.com/uc?export=download&id=FILE_ID)\n// ANTHROPIC_API_KEY -> optional, only needed if you want the LLM fallback for messy Impressum pages\n// 5. Your val gets a URL like https://yourname-inqafill.web.val.run - that's it, it's live.\n//\n// This single val answers two routes:\n// GET /openapi.json -> the spec Langdock needs to import this as a custom action\n// POST /fill -> {\"website\": \"https://kunde-gmbh.de\"} -> filled PDF (binary) or JSON with a link\n\nimport { PDFDocument } from \"npm:pdf-lib\";\n\nconst UA =\n \"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0 Safari/537.36\";\n\n// -------------------------------------------------------------- field map (page 1 only)\nconst FIELDS: Record = {\n firmenname: \"Textfeld 4\",\n plz: \"Textfeld 1\",\n ort: \"Textfeld 2\",\n strasse: \"Textfeld 5\",\n bundesland: \"Textfeld 5_2\",\n telefon: \"Textfeld 2_2\",\n email: \"Textfeld 2_3\",\n webseite: \"Textfeld 11\",\n ansprechpartner: \"Textfeld 11_2\",\n position: \"Textfeld 11_3\",\n vertretung: \"Listenfeld 4_2\",\n zwei_jahre: \"Listenfeld 2\",\n wirtschaftlich: \"Listenfeld 2_2\",\n rechtsform: \"Listenfeld 4\",\n privatrechtlich: \"Listenfeld 2_3\",\n};\nconst DROPDOWNS = new Set([\n \"vertretung\",\n \"zwei_jahre\",\n \"wirtschaftlich\",\n \"rechtsform\",\n \"privatrechtlich\",\n]);\n// Betriebsnummer (Textfeld 6) and Gründungsdatum (Textfeld 2_4) are never on an Impressum - left blank on purpose.\n\nfunction bundeslandFromPlz(plz: string): string {\n if (!plz || plz.length < 2) return \"\";\n const p = parseInt(plz.slice(0, 2), 10);\n const ranges: [number, number, string][] = [\n [1, 4, \"Sachsen\"],\n [4, 5, \"Sachsen\"],\n [6, 7, \"Sachsen-Anhalt\"],\n [7, 8, \"Thüringen\"],\n [8, 10, \"Sachsen\"],\n [10, 14, \"Berlin\"],\n [14, 17, \"Brandenburg\"],\n [17, 20, \"Mecklenburg-Vorpommern\"],\n [20, 26, \"Hamburg\"],\n [26, 28, \"Niedersachsen\"],\n [28, 29, \"Bremen\"],\n [29, 38, \"Niedersachsen\"],\n [38, 40, \"Sachsen-Anhalt\"],\n [40, 48, \"Nordrhein-Westfalen\"],\n [48, 54, \"Nordrhein-Westfalen\"],\n [54, 57, \"Rheinland-Pfalz\"],\n [57, 60, \"Nordrhein-Westfalen\"],\n [60, 66, \"Hessen\"],\n [66, 67, \"Saarland\"],\n [67, 68, \"Rheinland-Pfalz\"],\n [68, 70, \"Baden-Württemberg\"],\n [70, 80, \"Baden-Württemberg\"],\n [80, 88, \"Bayern\"],\n [88, 90, \"Baden-Württemberg\"],\n [90, 100, \"Bayern\"],\n ];\n for (const [lo, hi, bl] of ranges) if (p >= lo && p < hi) return bl;\n return \"\";\n}\n\nfunction rechtsformFromName(name: string): string {\n const n = (name || \"\").toLowerCase();\n if (n.includes(\"ggmbh\") || n.includes(\"gemeinnützige\")) return \"gGmbH\";\n if (n.includes(\"kgaa\")) return \"KGaA\";\n if (n.includes(\"gmbh\")) return \"GmbH, GmbH & Co.KG\";\n if (/\\bag\\b/.test(n)) return \"AG\";\n if (n.includes(\"e.v.\") || n.includes(\"e. v.\")) return \"e.V.\";\n if (n.includes(\"gbr\")) return \"GbR\";\n if (/\\bohg\\b|\\bkg\\b/.test(n)) return \"oHG, KG (Personengesellschaften)\";\n return \"\";\n}\n\n// -------------------------------------------------------------- scraping\nfunction htmlToText(html: string): string {\n const noScripts = html.replace(//gi, \"\")\n .replace(//gi, \"\");\n const text = noScripts.replace(/<[^>]+>/g, \"\\n\");\n return text.replace(/&/g, \"&\").replace(/ /g, \" \")\n .replace(/\\n{3,}/g, \"\\n\\n\").trim();\n}\n\nasync function findImpressum(websiteRaw: string): Promise {\n let base = websiteRaw.trim().replace(/\\/$/, \"\");\n if (!base.startsWith(\"http\")) base = \"https://\" + base;\n\n const candidates: string[] = [];\n try {\n const home = await fetch(base, { headers: { \"User-Agent\": UA } });\n const html = await home.text();\n const linkRe = /]*href=[\"']([^\"']+)[\"'][^>]*>(.*?)<\\/a>/gis;\n let m;\n while ((m = linkRe.exec(html))) {\n const href = m[1];\n const label = (m[2] || \"\") + \" \" + href;\n if (/impressum|imprint|legal/i.test(label)) {\n candidates.push(new URL(href, base).toString());\n }\n }\n } catch (_e) { /* homepage fetch failed, fall through to guesses */ }\n\n for (\n const p of [\n \"/impressum\",\n \"/impressum/\",\n \"/de/impressum\",\n \"/imprint\",\n \"/legal-notice\",\n ]\n ) {\n candidates.push(base + p);\n }\n\n const seen = new Set();\n for (const url of candidates) {\n if (seen.has(url)) continue;\n seen.add(url);\n try {\n const r = await fetch(url, { headers: { \"User-Agent\": UA } });\n if (r.ok) {\n const html = await r.text();\n if (/impressum|angaben gem/i.test(html)) return html;\n }\n } catch (_e) { /* try next candidate */ }\n }\n return \"\";\n}\n\nfunction extractRegex(text: string): Record {\n const d: Record = {};\n\n let m = text.match(/[\\w.+-]+@[\\w-]+\\.[\\w.]{2,}/);\n if (m) d.email = m[0].replace(/\\.+$/, \"\");\n\n m = text.match(\n /(?:Tel(?:efon)?\\.?|Fon|Phone)[:\\s]*([+\\d][\\d\\s()/.\\-]{6,25})/i,\n );\n if (m) d.telefon = m[1].replace(/\\s+/g, \" \").trim().replace(/[.\\-\\s]+$/, \"\");\n\n m = text.match(/\\b(\\d{5})\\s+([A-ZÄÖÜ][\\wÄÖÜäöüß.\\- ]{2,40})/);\n if (m) {\n d.plz = m[1];\n d.ort = m[2].trim();\n }\n\n m = text.match(\n /([A-ZÄÖÜ][\\wÄÖÜäöüß.\\- ]{2,45}(?:str(?:aße|asse)|weg|platz|allee|gasse|ring|damm)\\.?\\s*\\d+[a-zA-Z]?)/i,\n );\n if (m) d.strasse = m[1].replace(/\\s+/g, \" \").trim();\n\n m = text.match(\n /(?:Gesch[äa]ftsf[üu]hr(?:er|ung|erin)[^:\\n]*)[:\\s]*\\n?([^\\n]{3,120})/i,\n );\n if (m) {\n const parts = m[1].split(/,| und |&|;/).map((s) =>\n s.trim().replace(/[.:\\-]+$/, \"\")\n ).filter((s) => s.length > 3);\n if (parts.length) d.ansprechpartner = parts[parts.length - 1];\n }\n\n for (const line of text.split(\"\\n\").slice(0, 60)) {\n const l = line.trim();\n if (\n l.length > 3 && l.length < 90 &&\n /GmbH|AG\\b|KG\\b|e\\.\\s?V\\.|GbR|oHG/.test(l)\n ) {\n d.firmenname = l;\n break;\n }\n }\n return d;\n}\n\nasync function extractLlm(text: string): Promise> {\n const key = Deno.env.get(\"ANTHROPIC_API_KEY\");\n if (!key) return {};\n const prompt =\n \"Extract these fields from the German Impressum below. Answer with JSON only, no markdown. \" +\n \"Use an empty string if a field is not present. If several Geschäftsführer are listed, take the LAST one.\\n\" +\n \"Keys: firmenname, strasse, plz, ort, telefon, email, ansprechpartner\\n\\n\" +\n text.slice(0, 6000);\n\n const r = await fetch(\"https://api.anthropic.com/v1/messages\", {\n method: \"POST\",\n headers: {\n \"x-api-key\": key,\n \"anthropic-version\": \"2023-06-01\",\n \"content-type\": \"application/json\",\n },\n body: JSON.stringify({\n model: \"claude-sonnet-4-6\",\n max_tokens: 800,\n messages: [{ role: \"user\", content: prompt }],\n }),\n });\n const data = await r.json();\n const raw = (data.content || []).filter((b: any) => b.type === \"text\").map((\n b: any,\n ) => b.text).join(\"\");\n const clean = raw.replace(/```json/g, \"\").replace(/```/g, \"\").trim();\n try {\n return JSON.parse(clean);\n } catch {\n return {};\n }\n}\n\nfunction buildData(\n scraped: Record,\n website: string,\n): Record {\n const d = { ...scraped };\n d.webseite = website;\n d.position = \"Geschäftsführer\";\n d.vertretung = \"vertretungsbefugt\";\n d.bundesland = bundeslandFromPlz(d.plz || \"\");\n const rf = rechtsformFromName(d.firmenname || \"\");\n if (rf) d.rechtsform = rf;\n // business-rule defaults for the standard eligible-SMB case; worth a human glance\n d.zwei_jahre = \"ja\";\n d.wirtschaftlich = \"ja\";\n d.privatrechtlich = \"ja\";\n return d;\n}\n\n// -------------------------------------------------------------- PDF fill\nasync function fillPdf(data: Record): Promise {\n const templateUrl = Deno.env.get(\"INQA_TEMPLATE_URL\");\n if (!templateUrl) {\n throw new Error(\n \"INQA_TEMPLATE_URL is not set in this val's environment variables\",\n );\n }\n\n const templateBytes = await (await fetch(templateUrl)).arrayBuffer();\n const pdfDoc = await PDFDocument.load(templateBytes);\n const form = pdfDoc.getForm();\n\n for (const [key, fieldName] of Object.entries(FIELDS)) {\n const value = data[key];\n if (!value) continue;\n try {\n if (DROPDOWNS.has(key)) {\n try {\n form.getDropdown(fieldName).select(value);\n } catch {\n form.getOptionList(fieldName).select(value);\n }\n } else {\n form.getTextField(fieldName).setText(value);\n }\n } catch (e) {\n console.log(`could not set ${fieldName}:`, e);\n }\n }\n\n form.updateFieldAppearances();\n return await pdfDoc.save();\n}\n\n// -------------------------------------------------------------- OpenAPI spec (for Langdock's \"import from URL\")\nfunction openApiSpec(origin: string) {\n return {\n openapi: \"3.1.0\",\n info: { title: \"INQA Erstauskunft Autofill\", version: \"1.0.0\" },\n servers: [{ url: origin }],\n paths: {\n \"/fill\": {\n post: {\n operationId: \"fillInqaErstauskunft\",\n summary:\n \"Fill page 1 of the INQA Erstauskunft from a company website's Impressum\",\n requestBody: {\n required: true,\n content: {\n \"application/json\": {\n schema: {\n type: \"object\",\n required: [\"website\"],\n properties: {\n website: {\n type: \"string\",\n description:\n \"Company website, e.g. https://www.kunde-gmbh.de\",\n },\n },\n },\n },\n },\n },\n responses: {\n \"200\": {\n description: \"Filled PDF\",\n content: {\n \"application/pdf\": {\n schema: { type: \"string\", format: \"binary\" },\n },\n },\n },\n },\n },\n },\n },\n };\n}\n\n// -------------------------------------------------------------- HTTP entry point\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n\n if (req.method === \"GET\" && url.pathname === \"/openapi.json\") {\n return Response.json(openApiSpec(url.origin));\n }\n\n if (req.method === \"GET\" && url.pathname === \"/health\") {\n return Response.json({\n ok: true,\n template_set: !!Deno.env.get(\"INQA_TEMPLATE_URL\"),\n });\n }\n\n if (req.method === \"POST\" && url.pathname === \"/fill\") {\n try {\n const { website } = await req.json();\n if (!website) {\n return Response.json({ error: \"missing 'website'\" }, { status: 400 });\n }\n\n const html = await findImpressum(website);\n if (!html) {\n return Response.json({\n error: \"No Impressum page found on that website\",\n }, { status: 404 });\n }\n\n const text = htmlToText(html);\n let data = extractRegex(text);\n\n const needed = [\n \"firmenname\",\n \"strasse\",\n \"plz\",\n \"ort\",\n \"telefon\",\n \"email\",\n \"ansprechpartner\",\n ];\n if (needed.some((k) => !data[k])) {\n const llm = await extractLlm(text);\n data = { ...llm, ...data }; 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Diff · v4